CN102554586A - Double-sided precision machining method for large-plane thin-walled parts - Google Patents
Double-sided precision machining method for large-plane thin-walled parts Download PDFInfo
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- CN102554586A CN102554586A CN2010105974952A CN201010597495A CN102554586A CN 102554586 A CN102554586 A CN 102554586A CN 2010105974952 A CN2010105974952 A CN 2010105974952A CN 201010597495 A CN201010597495 A CN 201010597495A CN 102554586 A CN102554586 A CN 102554586A
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Abstract
The invention relates to the technical field of double-sided machining of high-precision large-plane thin-walled parts in complicated shapes, and provides a double-sided precision machining method for large-plane thin-walled parts based on a gluing method. By the aid of the gluing method using double-sided adhesive tapes, reliable clamping for the large-plane thin-walled parts in the complicated shapes can be ensured, and clamping stress can be decreased, so that the parts are precisely machined. A workpiece and a fixture plate well contact with the double-sided adhesive tapes by means of cleaning a bonding surface, rolling the bonding surface with a rolling rod and the like, infiltration of cutting fluids is prevented during machining by means of coating silicon rubber on the periphery of the workpiece to realize sealing, and organic solvents can rapidly infiltrate into the double-sided adhesive tapes to shorten adhesive removing time by arranging an infiltration groove on a workpiece plate in advance. By the aid of the machining method of high-speed milling, optimal process parameters for ensuring machining precision and machining efficiency and decreasing deformation of the workpiece are determined.
Description
Technical field
The present invention relates to the two-sided processing technique field of the big plane complicated shape thin wall component of high accuracy.
Technical background
Big plane thin wall component work in-process for the two-sided processing of need is big, complex-shaped owing to size, required precision is high; Particularly when second face of processing; Because the boss characteristic that exists on first face and need be worked into the influence of thin factors such as thickness of workpiece, in existing clamping and positioning and processing, exist big difficulty.
Prior art adopts vice, screw thread compresses or pressing plate compresses, and the big and skewness of clamping force causes workpiece deformation and clamp force distribution inhomogeneous easily, can't guarantee element precision.Adopt the vacuum suction anchor clamps, for the thin plate with big measuring tank class and boss characteristic, jig Design and vacuum suction be difficulty comparatively, and because part is thinner, the little then part of absorption affinity is difficult to clamp, and absorption affinity greatly then can cause part deformation.Also have technology report to disclose to adopt liquid glue like 502 gluing ways, but because this glue is quick solidified liquid solvent, operating difficulties, coating are inhomogeneous when the large tracts of land gluing, and adhesive effect is undesirable.
Aspect processing, adopt common numerically controlled processing equipment, Milling Force is big, and part is yielding; And, need adopt small-diameter cutter processing sometimes because thickness of slab is thin and the existence of stria category feature, the cutter linear velocity is low; Processing difficulties is difficult to guarantee machining accuracy and working (machining) efficiency.
Summary of the invention
Technical problem to be solved by this invention is; High-speed milling processing to this type of part; A kind of two-sided precision machining method of big plane thin-wall part based on gluing method is provided, can overcomes the deficiency of prior art, promptly can guarantee reliable grip; Can reduce clamping stress again, satisfy the Precision Machining of this type of part.
For solving the problems of the technologies described above, technical solution of the present invention is:
The two-sided precision machining method of a kind of big plane thin-wall part, said method comprises step 1: thin-wall workpiece clamping first face to workpiece on Digit Control Machine Tool is processed; It is characterized in that:
Said method is further comprising the steps of:
Step 2: when first face of workpiece is processed, in the needed shop bolt of surface of the work processing subsequent step hole;
Step 3: after first face of workpiece machines, surface of the work is carried out deburring, and carry out Chemical cleaning, to remove the surface of the work greasy dirt;
Step 4: make and to be used for 3R frock plate that the workpiece of accomplishing first processing is positioned;
Said 3R frock plate is to make according to following way: housing screw hole, the pin hole of processing location usefulness on 3R frock plate; Screw hole on the said 3R frock plate is corresponding with the screw hole location on the workpiece, and the pin hole on the said 3R frock plate is corresponding with the pin hole position on the workpiece;
The relevant position processing boss slot to make way of the boss on corresponding workpiece first machined surface of 3R frock plate, the size of said boss slot to make way is greater than corresponding boss 1mm～2mm;
On 3R frock plate, open permeable tank, the width of permeable tank is 1mm～2mm, and the degree of depth is 2mm～4mm, the width that is spaced apart double faced adhesive tape between the permeable tank, and the length of permeable tank is processed the length of the length of back exact shape less than the workpiece blank profile greater than workpiece;
After processing locating hole and fluting, to needing the face deburring of bonding work pieces on the 3R frock plate, and carry out Chemical cleaning, to remove surface and oil contaminant.
Step 5: double faced adhesive tape bonding
Two-sided tape is pasted in permeable tank centre adjacent on 3R frock plate, keeps double faced adhesive tape straight as far as possible; After having pasted, flat to two thrusters with hand earlier from the centre, extrude the air of double faced adhesive tape and bonding plane, and, guarantee that double faced adhesive tape contacts with the good of bonding plane with the special-purpose excellent spreading double faced adhesive tape surface of rolling over;
After pasting double faced adhesive tape, remove the double faced adhesive tape of the corresponding position of 3R frock plate pin hole, screwed hole and boss slot to make way with blade;
The protection sheet of double faced adhesive tape is opened; Shop bolt is inserted on the 3R frock plate, workpiece pin hole is aimed at pin, and be enclosed within on the pin; Keep level to press from the top with workpiece then; And contact with double faced adhesive tape, outwards flatten workpiece from the centre, extrude the air of workpiece and 3R frock plate bonding plane; Take out pin,, guarantee that workpiece contacts with the good of bonding plane, auxiliary housing screw is installed around workpiece at last with the excellent spreading surface of the work of special-purpose rolling;
Need seal splicing face after gluing, adopt silicon rubber to around the workpiece, screw hole, pin place seal, and places a period of time, and silicon rubber is solidified.
Step 6: the clamping workpiece that will be bonded with 3R frock plate adopts the processing method of High Speed Milling Operation that second face of workpiece is processed on Digit Control Machine Tool.
Step 7: the glue that removes after the processing is handled:
After machining, the excess stock that workpiece is peripheral is pulled down, and exposes permeable tank, then workpiece is put into organic solvent, through soaking, workpiece is separated with 3R frock plate.
The present invention can bring following beneficial effect:
The present invention adopts the gluing method of double faced adhesive tape to realize the reliable clamping of big plane complicated shape thin wall component, reduces clamping stress; Adopt and clean adhesive surface, workpiece, frock plate are well contacted with double faced adhesive tape with methods such as rolling over excellent spreading adhesive surface; Be coated with the method that silicon rubber seals around being employed in workpiece, prevent the infiltration of cutting fluid in the process; Be employed in the method for opening permeable tank on the work plate in advance, make organic solvent infiltrate double faced adhesive tape inside fast, shorten the time of removing glue along permeable tank; Adopt the processing method of High Speed Milling Operation, confirmed to guarantee machining accuracy, reduced workpiece deformation, can guarantee the optimal processing parameter of working (machining) efficiency again.
A kind of two-sided precision machining method of big plane thin-wall part based on gluing method of the present invention can effectively solve the two-sided processing difficult problem of big plane complicated shape thin-wall part.The present invention successfully try out body feature be thickness below the 0.5mm, diameter all has the processing the up to ± big plane of 0.01mm thin wall component of a large amount of boss and groove, size and position accuracy demand on Φ more than 250, two sides.Processing cost of the present invention is low; Versatility is good, promptly is applicable to the big plane thin wall component that needs two-sided processing, equally also is applicable to the big plane thin wall component that needs single-sided process; And, be a kind of simple and easy, practical process technology applicable to various metals and nonmetallic materials.
Description of drawings
Fig. 1: the perforate of 3R frock plate, fluting sketch map
Fig. 2: the gluing sketch map of big plane complicated shape thin-wall part
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
According to shown in Figure 1, among Fig. 1: 1 is 3R frock plate; 2 is the housing screw hole; 3 is pin hole; 4 is the workpiece blank profile; 5 is the workpiece exact shape; 6 is permeable tank; 7 is the boss slot to make way.
Below provide the embodiment of a specific embodiment.
(1) first processing
Follow-up for ease is gluing; Can select that characteristic such as surperficial boss is less, the face that is prone to processing will be processed as workpiece first; Adopt common numerical-control processing method to carry out; Adopt the method clamping of screw in compression on Digit Control Machine Tool, to carry out, when carrying out first processing in surface of the work preboring, hinge shop bolt hole, to satisfy the positioning requirements of subsequent step.
(2) bonding preceding preparation
After first face of workpiece machines, need to carry out deburring, and carry out Chemical cleaning surface of the work, to remove the surface of the work greasy dirt, protect on the workpiece need with the gluing face of 3R frock plate, to guarantee good adhesive tension.
In order to guarantee the machining accuracy of workpiece when processing second, adopt the 3R anchor clamps that workpiece is positioned, by processing housing screw hole 2, the pin hole 3 that is used to locate usefulness on the 3R frock plate 1 shown in Figure 1 respectively.
Processing boss slot to make way 7 on the relevant position of the characteristics such as boss on first machined surface of the corresponding workpiece of 3R frock plate, the size of groove is greater than corresponding boss 1mm～2mm.
Infiltrate the workpiece bottom to remove double faced adhesive tape for the ease of solvent after processing; Need employing on 3R frock rebound is cut the groove cutter and is opened permeable tank 6 in advance; As shown in Figure 1, the width of permeable tank is 1mm～2mm, and the degree of depth is 2mm～4mm; The width that is spaced apart double faced adhesive tape between the adjacent permeable tank, the exact shape length of the length of permeable tank after processing greater than workpiece is less than the workpiece blank contour length.
Behind perforate, the fluting, bonding face between 3R frock plate needs and the workpiece is carried out deburring, and carefully clean with acetone.
(3) double faced adhesive tape is bonding
By shown in Figure 2, among Fig. 2,8 are auxiliary housing screw; 9 is shop bolt; 10 is workpiece; 11 is two-sided tape; 12 is silicon rubber; 1 is 3R frock plate.
Two-sided tape 11 is pasted in permeable tank centre adjacent on 3R frock plate 1, keeps double faced adhesive tape straight as far as possible.After having pasted, flat to two thrusters with hand earlier from the centre, extrude the air of double faced adhesive tape and bonding plane, and, guarantee that double faced adhesive tape contacts with the good of bonding plane with the special-purpose excellent spreading double faced adhesive tape surface of rolling over.
After pasting double faced adhesive tape; Need to adopt groove position template that the double faced adhesive tape of the corresponding position of frock plate pin hole, screwed hole and boss slot to make way is removed; Template has been held corresponding breach successfully; Template is placed on the 3R frock plate and positions, remove the double faced adhesive tape of pin hole, screwed hole and boss slot to make way relevant position then with blade.
The protection sheet of double faced adhesive tape is opened; Shop bolt 9 is inserted on the 3R frock plate 1, workpiece pin hole is aimed at pin, and be enclosed within on the pin; Keep level to press from the top with workpiece gently then; And contact with double faced adhesive tape, outwards flatten workpiece from the centre, extrude the air of workpiece and bonding plane.Take out pin,, guarantee that workpiece contacts with the good of bonding plane, auxiliary housing screw 8 is installed around workpiece at last with the excellent spreading surface of the work of special-purpose rolling.
Need seal splicing face after gluing, adopt around 12 pairs of workpiece of silicon rubber, screw hole, pin place seal, and place a period of time, silicon rubber is solidified.
(4) processing of second of workpiece
In order to reduce cutting stress and to improve process velocity; Need to adopt High Speed Milling Operation processing; The speed of mainshaft is more than 10000 rev/mins; The little amount of feeding with 0.02mm～0.1mm is processed, and is beginning to add man-hour because the big slightly amount of feeding of the thicker selection of workpiece reduces the back gradually at thickness of workpiece and need adopt the less amount of feeding for preventing the workpiece perk.
(5) glue that removes after the processing is handled
After the processing, can adopt organic solvents such as acetone or gasoline that double faced adhesive tape is dissolved.The excess stock that workpiece is peripheral is pulled down, and exposes permeable tank, then workpiece is put into organic solvent, through soaking, workpiece is separated with 3R frock plate.
Claims (1)
1. two-sided precision machining method of big plane thin-wall part, said method comprises step 1: thin-wall workpiece clamping first face to workpiece on Digit Control Machine Tool is processed; It is characterized in that:
Said method is further comprising the steps of:
Step 2: when first face of workpiece is processed, in the needed shop bolt of surface of the work processing subsequent step hole;
Step 3: after first face of workpiece machines, surface of the work is carried out deburring, and carry out Chemical cleaning, to remove the surface of the work greasy dirt;
Step 4: making is used for the workpiece of accomplishing first processing is positioned 3R frock plate;
Said 3R frock plate is to make according to following way: housing screw hole, the pin hole of processing location usefulness on 3R frock plate; Screw hole on the said 3R frock plate is corresponding with the screw hole location on the workpiece, and the pin hole on the said 3R frock plate is corresponding with the pin hole position on the workpiece;
The relevant position processing boss slot to make way of the boss on corresponding workpiece first machined surface of 3R frock plate, the size of said boss slot to make way is greater than corresponding boss 1mm～2mm;
On 3R frock plate, open permeable tank, the width of permeable tank is 1mm～2mm, and the degree of depth is 2mm～4mm, the width that is spaced apart double faced adhesive tape between the permeable tank, and the length of permeable tank is processed the length of the length of back exact shape less than the workpiece blank profile greater than workpiece;
After processing locating hole and fluting, to needing the face deburring of bonding work pieces on the 3R frock plate, and carry out Chemical cleaning, to remove surface and oil contaminant;
Step 5: double faced adhesive tape bonding
Two-sided tape is pasted in permeable tank centre adjacent on 3R frock plate, keeps double faced adhesive tape straight as far as possible; After having pasted, flat to two thrusters with hand earlier from the centre, extrude the air of double faced adhesive tape and bonding plane, and, guarantee that double faced adhesive tape contacts with the good of bonding plane with the special-purpose excellent spreading double faced adhesive tape surface of rolling over;
After pasting double faced adhesive tape, remove the double faced adhesive tape of the corresponding position of 3R frock plate pin hole, screwed hole and boss slot to make way with blade;
The protection sheet of double faced adhesive tape is opened; Shop bolt is inserted on the 3R frock plate, workpiece pin hole is aimed at pin, and be enclosed within on the pin; Keep level to press from the top with workpiece then; And contact with double faced adhesive tape, outwards flatten workpiece from the centre, extrude the air of workpiece and 3R frock plate bonding plane; Take out pin,, guarantee that workpiece contacts with the good of bonding plane, auxiliary housing screw is installed around workpiece at last with the excellent spreading surface of the work of special-purpose rolling;
Need seal splicing face after gluing, adopt silicon rubber to around the workpiece, screw hole, pin place seal, and places a period of time, and silicon rubber is solidified;
Step 6: the clamping workpiece that will be bonded with 3R frock plate adopts the processing method of High Speed Milling Operation that second face of workpiece is processed on Digit Control Machine Tool;
Step 7: the glue that removes after the processing is handled:
After machining, the excess stock that workpiece is peripheral is pulled down, and exposes permeable tank, then workpiece is put into organic solvent, through soaking, workpiece is separated with 3R frock plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010597495.2A CN102554586B (en) | 2010-12-17 | 2010-12-17 | A kind of big two-sided precision machining method of flat thin wall pieces |
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| CN201010597495.2A CN102554586B (en) | 2010-12-17 | 2010-12-17 | A kind of big two-sided precision machining method of flat thin wall pieces |
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| CN102554586A true CN102554586A (en) | 2012-07-11 |
| CN102554586B CN102554586B (en) | 2016-08-10 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345102A (en) * | 2015-11-30 | 2016-02-24 | 沈阳飞机工业（集团）有限公司 | Method for controlling rough machining deformation of sheet titanium alloy |
| CN105499673A (en) * | 2016-01-20 | 2016-04-20 | 哈尔滨飞机工业集团有限责任公司 | Processing method of small thin shape-variable single-sided processed part |
| CN105666077A (en) * | 2016-04-12 | 2016-06-15 | 北京科技大学 | Foldable chiral honeycomb structure machining method and machining device |
| CN107571062A (en) * | 2017-09-15 | 2018-01-12 | 江苏曙光集团股份有限公司 | To the localization method of horizontal plate workpiece Milling Process |
| CN108214006A (en) * | 2017-12-25 | 2018-06-29 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of method that thin-wall precise parts fixation is realized with hot melt adhesive gluing |
| CN108214038A (en) * | 2018-01-22 | 2018-06-29 | 西安创联超声技术有限责任公司 | The device and method for being processed thin plate is fixed in Milling Process based on adhesion principle |
| CN109093475A (en) * | 2017-06-20 | 2018-12-28 | 中国航发商用航空发动机有限责任公司 | A kind of thinning technique of slice work-piece |
| CN110216507A (en) * | 2019-07-18 | 2019-09-10 | 成都飞机工业（集团）有限责任公司 | A kind of universal fixture and clamping method of clamping lightweight part |
| CN110509086A (en) * | 2019-08-14 | 2019-11-29 | 格力精密模具(武汉)有限公司 | A kind of CNC cutting process of frock clamp and rectangular excellent power glue sealing ring |
| CN110524634A (en) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | A kind of processing method of sealing element |
| CN110744264A (en) * | 2019-09-11 | 2020-02-04 | 惠州市志成海利五金制品有限公司 | Machining process method of hardware fitting of electronic product |
| CN112404532A (en) * | 2019-12-06 | 2021-02-26 | 重庆大学 | Auxiliary machining method for aviation thin-wall micro-structural part |
| CN113351891A (en) * | 2021-06-02 | 2021-09-07 | 大连理工大学 | Local bonding clamping method for reducing turning deformation of disc-like plane component |
| CN113828810A (en) * | 2021-10-13 | 2021-12-24 | 大连理工大学 | Flexible dot matrix bonding device for disc-type planar member and adaptive clamping method |
| CN113997080A (en) * | 2021-11-03 | 2022-02-01 | 南京中船绿洲机器有限公司 | Machining device and machining method for aluminum thin plate |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345102A (en) * | 2015-11-30 | 2016-02-24 | 沈阳飞机工业（集团）有限公司 | Method for controlling rough machining deformation of sheet titanium alloy |
| CN105499673A (en) * | 2016-01-20 | 2016-04-20 | 哈尔滨飞机工业集团有限责任公司 | Processing method of small thin shape-variable single-sided processed part |
| CN105666077A (en) * | 2016-04-12 | 2016-06-15 | 北京科技大学 | Foldable chiral honeycomb structure machining method and machining device |
| CN109093475A (en) * | 2017-06-20 | 2018-12-28 | 中国航发商用航空发动机有限责任公司 | A kind of thinning technique of slice work-piece |
| CN107571062A (en) * | 2017-09-15 | 2018-01-12 | 江苏曙光集团股份有限公司 | To the localization method of horizontal plate workpiece Milling Process |
| CN108214006A (en) * | 2017-12-25 | 2018-06-29 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of method that thin-wall precise parts fixation is realized with hot melt adhesive gluing |
| CN108214038A (en) * | 2018-01-22 | 2018-06-29 | 西安创联超声技术有限责任公司 | The device and method for being processed thin plate is fixed in Milling Process based on adhesion principle |
| CN110216507A (en) * | 2019-07-18 | 2019-09-10 | 成都飞机工业（集团）有限责任公司 | A kind of universal fixture and clamping method of clamping lightweight part |
| CN110509086A (en) * | 2019-08-14 | 2019-11-29 | 格力精密模具(武汉)有限公司 | A kind of CNC cutting process of frock clamp and rectangular excellent power glue sealing ring |
| CN110524634A (en) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | A kind of processing method of sealing element |
| CN110744264A (en) * | 2019-09-11 | 2020-02-04 | 惠州市志成海利五金制品有限公司 | Machining process method of hardware fitting of electronic product |
| CN112404532A (en) * | 2019-12-06 | 2021-02-26 | 重庆大学 | Auxiliary machining method for aviation thin-wall micro-structural part |
| CN113351891A (en) * | 2021-06-02 | 2021-09-07 | 大连理工大学 | Local bonding clamping method for reducing turning deformation of disc-like plane component |
| CN113351891B (en) * | 2021-06-02 | 2023-09-19 | 大连理工大学 | Local bonding clamping method for reducing turning deformation of disc plane members |
| CN113828810A (en) * | 2021-10-13 | 2021-12-24 | 大连理工大学 | Flexible dot matrix bonding device for disc-type planar member and adaptive clamping method |
| CN113828810B (en) * | 2021-10-13 | 2023-09-19 | 大连理工大学 | Flexible lattice bonding device for disc plane members and adaptive clamping method |
| CN113997080A (en) * | 2021-11-03 | 2022-02-01 | 南京中船绿洲机器有限公司 | Machining device and machining method for aluminum thin plate |
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